Acnodes FPC 7619 Instrukcja Użytkownika Strona 52

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FPC 7619
19 inch Atom Fanless Panel PC
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All rights reserved. Product description and product specifi cations
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please visit Acnodes web site at www.acnodes.com.
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3 .1 0 E x a m p le s o f G P IO P r o g r a m m i n g
3 . 1 0 .1 S u p e rI O M o d e l : W i n b o n d W 8 3 6 2 7 U H G
G
P IO O U T us e G P 6 0 ~ 6 3
G
P IO I N u s e G P 2 0 ~ 2 3
3 . 1 0 .2 W 8 3 6 2 7 U H G A c c e s s i n d e x p o r t: 4 E h / 4 F h
In d e x A d d re s s P o rt: 4 E h
In d e x D a ta P o r t: 4
F
h
3 . 1 0 .3 C o n f i g u re G P I O r e g i s te r s e q u e n c e
1 . E n te r th e e x te n d e d fu n c t io n m
od
e
2 . S e lec t lo gic d e v
ic
e n um b e r 8
3 . A c t
iv
a t e t h e lo g ic d e v
ic
e G P I O P o r t 6
4 . C o
nf
ig u re G P I O P o rt 6 re g
is
te r
5 . S e lec t lo g ic d e v
ic
e n um b e r 9
6 . A c t
iv
a t e t h e lo g ic d e v
ic
e G P I O P o r t 2
7 . C o
nf
ig u re G P I O P o rt 2 re g
is
te r
8 . E x it th e e x te n d e d fu n c t io n m o d e
3 . 1 0 .4 R e a d /w r i te G P I O s e q u e n c e
1 . E n te r th e e x te n d e d fu n c t io n m
od
e
2 . S e lec t lo gic d e v
ic
e n um b e r
3 . R e
ad
/ w rite
G
P IO r e g is te r v a lu e
4 . E x it th e e x te n d e d fu n c t io n m o d e
3 . 1 0 .5 S o f tw a re p r o g r a m m i n g e x a m p le
E n te r t
h
e e x
ten
d e d fu
n
c ti
o
n m
o
d e
W
rit
ing 8 7 h t o in d e x a d d
res
s p o rt tw
ic
e w ill e n te r th e e x te n d e d fu n c t ion m o d e .
E x a m p le x 8 6 a s s e m b ly c o d e :
m o v d x , 4 E h
m o v a l, 8 7 h
o u t d x , al
o u t d x , al
E x a m p le C c
od
e :
o u t p o
rtb
(0 x 4 E , 0 x 8 7 );
o u t p o
rtb
(0 x 4 E , 0 x 8 7 );
E x i t th e e x
ten
d e d fu
n
c ti
o
n m
o
d e
W
rit
ing A A h t o in d e x
ad
d re s s p o rt w ill e x it t h e e x te n d e d f u n c t io n m o d e .
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